Home / 3,227.12-4,453.23-1,811

Finding the Fourth Proportional to 3,227.12, 4,453.23 and 1,811

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Solution

The fourth proportional to 3,227.12, 4,453.23 and 1,811 is: 2,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.12 : 4,453.23 = 1,811 : x
  2. Step 2: Convert to fraction form
    3,227.12/4,453.23 = 1,811/x
  3. Step 3: Cross multiply
    3,227.12x = 4,453.23 × 1,811
  4. Step 4: Simplify right side
    3,227.12x = 8,064,799.53
  5. Step 5: Solve for x
    x = 8,064,799.53/3,227.12
  6. Step 6: Final answer
    x = 2,499.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.